Home / 71,936.82-99,285.78-45,102.60

Finding the Fourth Proportional to 71,936.82, 99,285.78 and 45,102.60

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Solution

The fourth proportional to 71,936.82, 99,285.78 and 45,102.60 is: 62,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,936.82 : 99,285.78 = 45,102.60 : x
  2. Step 2: Convert to fraction form
    71,936.82/99,285.78 = 45,102.60/x
  3. Step 3: Cross multiply
    71,936.82x = 99,285.78 × 45,102.60
  4. Step 4: Simplify right side
    71,936.82x = 4,478,046,821.03
  5. Step 5: Solve for x
    x = 4,478,046,821.03/71,936.82
  6. Step 6: Final answer
    x = 62,249.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.